
Iron ores—Determination of silicon contents—The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate
NORMA vydaná dňa 1.11.2006
Designation standards: GB/T 6730.9-2006
Note: NEPLATNÁ
Publication date standards: 1.11.2006
Country: Chinese technical standard
Kategória: Technické normy GB